Home / 3,961.38-5,464.52-2,545.28

Finding the Fourth Proportional to 3,961.38, 5,464.52 and 2,545.28

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Solution

The fourth proportional to 3,961.38, 5,464.52 and 2,545.28 is: 3,511.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.38 : 5,464.52 = 2,545.28 : x
  2. Step 2: Convert to fraction form
    3,961.38/5,464.52 = 2,545.28/x
  3. Step 3: Cross multiply
    3,961.38x = 5,464.52 × 2,545.28
  4. Step 4: Simplify right side
    3,961.38x = 13,908,720.74
  5. Step 5: Solve for x
    x = 13,908,720.74/3,961.38
  6. Step 6: Final answer
    x = 3,511.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.